Granted Patent
Utility
US 6,505,406 · App. 09/906,067
GUIDE METHOD FOR GUIDING A DEVICE THAT IS DESIGNED TO INSERT ELEMENTS INTO THE GROUND IN ORDER TO MAKE A STRUCTURE, AND A DEVICE FOR INSERTING AT LEAST ONE ELEMENT INTO THE GROUND USING SUCH A GUIDE METHOD
Inventors:
Ian Robertson, Jean Ehrsam
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jul 17, 2001
Inventors
Ian Robertson
Jean Ehrsam
Assignee (at issue)
ALSTOM Holdings
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.